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AlladinOne [14]
3 years ago
11

HELP! HAVE TO GET THIS CORRECTION DONE TODAY! 25 Points! Correct gets Brainliest!

Mathematics
2 answers:
mina [271]3 years ago
7 0

Answer:

19.2 but if u cant us decimals take out 2

Step-by-step explanation:

you time 8 by 12 and then divide it by 5

earnstyle [38]3 years ago
5 0

Find the area of the rectangle given by the 8 ft and 12 ft dimensions, them fine the are of the two unshaded triangles that would make up the rectangle and subtract the area of the two triangles.

See attached picture.

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What is the exact value of the exponential equation, 4(10)5x=200 ?
Rasek [7]

Answer:

4(10)5x=200 = x=log50 / 5

Step-by-step explanation:


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The square root of 30 times the square root of 3
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Which of the following is an extraneous solution of the square root of -3x-2=x+2
yarga [219]

Answer:

x=-6 is an extraneous solution

Step-by-step explanation:

we have

\sqrt{-3x-2} =x+2

squared both sides

-3x-2=(x+2)^2

-3x-2=x^2+4x+4

x^2+7x+6=0

solve the quadratic equation by graphing

The solution is x=-6 and x=-1

see the attached figure

<u><em>Verify each solution</em></u>

substitute the value of x in the original expression

For x=-6

\sqrt{-3(-6)-2} =-6+2

\sqrt{16} =-4

4=-4 ----> is not true

so

Is an extraneous solution

For x=-1

\sqrt{-3(-1)-2} =-1+2

\sqrt{1} =1

1=1 ----> is true

so

Is the solution

4 0
3 years ago
Find the measure of angle A.<br> Please help??
Over [174]

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Step-by-step explanation:

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2 years ago
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Please help asap ty !!
Advocard [28]

Answer:

B

Step-by-step explanation:

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